<template>
  <div class="todo-container">
    <div class="todo-wrap">
      <Header :addTodoHandle="addTodoHandle" />
      <List
        :todoList="todoList"
        :deleteTodoHandle="deleteTodoHandle"
        :changeCheckbox="changeCheckbox"
      />
      <Footer
        :alreadyTodoHandle="alreadyTodoHandle"
        :todoList="todoList"
        :deleteAllplayedTodo='deleteAllplayedTodo'
      />
     
    </div>
  </div>
</template>

<script>
import { v4 as uuidv4 } from "uuid";
import Header from "./components/Header";
import List from "./components/List";
import Footer from "./components/Footer";
export default {
  name: "App",

  components: {
    Header,
    List,
    Footer,
  },
  data() {
    return {
      todoList:JSON.parse(localStorage.getItem('todoList') || "[]")     
    };
  },
  methods: {
    addTodoHandle(addTodo) {
      this.todoList.unshift({ id: uuidv4(), thing: addTodo, done: false });
    },
    changeCheckbox(id, e) {
      this.todoList = this.todoList.map((item) => {
        if (item.id === id) {
          item.done = e.target.checked;
        }
        return item;
      });
    },
    deleteTodoHandle(id) {
      // console.log(id, "idid");
      this.todoList = this.todoList.filter((item) => {
        return item.id !== id;
      });
    },
    alreadyTodoHandle(value) {
      this.todoList = this.todoList.map((item) => {
        item.done = value;
        return item;
      });
    },
    deleteAllplayedTodo (){
       this.todoList=this.todoList.filter(item=>!item.done)
    }
  },
  watch: {
    todoList:{
      deep:true,
      handler(newValue){
        console.log(newValue);
        localStorage.setItem('todoList',JSON.stringify(newValue))
      }
    }
  },
};
</script>

<style >
/*base*/
body {
  background: #fff;
}

.btn {
  display: inline-block;
  padding: 4px 12px;
  margin-bottom: 0;
  font-size: 14px;
  line-height: 20px;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 1px 2px rgba(0, 0, 0, 0.05);
  border-radius: 4px;
}

.btn-danger {
  color: #fff;
  background-color: #da4f49;
  border: 1px solid #bd362f;
}

.btn-danger:hover {
  color: #fff;
  background-color: #bd362f;
}

.btn:focus {
  outline: none;
}

.todo-container {
  width: 600px;
  margin: 0 auto;
}
.todo-container .todo-wrap {
  padding: 10px;
  border: 1px solid #ddd;
  border-radius: 5px;
}
</style>